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101318880 = 25351321249
BaseRepresentation
bin1100000101000…
…00000011100000
321001122112101010
412002200003200
5201414201010
614015340520
72340124215
oct602400340
9231575333
10101318880
1152212413
1229b21740
1317cb5c00
14d655b0c
158d65620
hex60a00e0

101318880 has 144 divisors (see below), whose sum is σ = 345870000. Its totient is φ = 24920064.

The previous prime is 101318869. The next prime is 101318891. The reversal of 101318880 is 88813101.

It is an interprime number because it is at equal distance from previous prime (101318869) and next prime (101318891).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80496 + ... + 81744.

It is an arithmetic number, because the mean of its divisors is an integer number (2401875).

Almost surely, 2101318880 is an apocalyptic number.

101318880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101318880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172935000).

101318880 is an abundant number, since it is smaller than the sum of its proper divisors (244551120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101318880 is a wasteful number, since it uses less digits than its factorization.

101318880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293 (or 1272 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 30.

The square root of 101318880 is about 10065.7279915563. The cubic root of 101318880 is about 466.1905438731.

The spelling of 101318880 in words is "one hundred one million, three hundred eighteen thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 65 78 80 96 104 120 130 156 160 169 195 208 240 260 312 338 390 416 480 507 520 624 676 780 845 1014 1040 1248 1249 1352 1560 1690 2028 2080 2498 2535 2704 3120 3380 3747 4056 4996 5070 5408 6240 6245 6760 7494 8112 9992 10140 12490 13520 14988 16224 16237 18735 19984 20280 24980 27040 29976 32474 37470 39968 40560 48711 49960 59952 64948 74940 81120 81185 97422 99920 119904 129896 149880 162370 194844 199840 211081 243555 259792 299760 324740 389688 422162 487110 519584 599520 633243 649480 779376 844324 974220 1055405 1266486 1298960 1558752 1688648 1948440 2110810 2532972 2597920 3166215 3377296 3896880 4221620 5065944 6332430 6754592 7793760 8443240 10131888 12664860 16886480 20263776 25329720 33772960 50659440 101318880