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120202080 = 25351791399
BaseRepresentation
bin1110010101000…
…10001101100000
322101011220020220
413022202031200
5221232431310
615532203040
72656462245
oct712421540
9271156226
10120202080
116193a669
1234309480
131bb97bbb
1411d6d5cc
15a845670
hex72a2360

120202080 has 96 divisors (see below), whose sum is σ = 381024000. Its totient is φ = 31852032.

The previous prime is 120202079. The next prime is 120202081. The reversal of 120202080 is 80202021.

It is an interprime number because it is at equal distance from previous prime (120202079) and next prime (120202081).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120202081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85221 + ... + 86619.

It is an arithmetic number, because the mean of its divisors is an integer number (3969000).

Almost surely, 2120202080 is an apocalyptic number.

120202080 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 120202080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190512000).

120202080 is an abundant number, since it is smaller than the sum of its proper divisors (260821920).

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

120202080 is a wasteful number, since it uses less digits than its factorization.

120202080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596 (or 1588 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 120202080 is about 10963.6709180821. The cubic root of 120202080 is about 493.5191330019.

The spelling of 120202080 in words is "one hundred twenty million, two hundred two thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 179 240 358 480 537 716 895 1074 1399 1432 1790 2148 2685 2798 2864 3580 4197 4296 5370 5596 5728 6995 7160 8394 8592 10740 11192 13990 14320 16788 17184 20985 21480 22384 27980 28640 33576 41970 42960 44768 55960 67152 83940 85920 111920 134304 167880 223840 250421 335760 500842 671520 751263 1001684 1252105 1502526 2003368 2504210 3005052 3756315 4006736 5008420 6010104 7512630 8013472 10016840 12020208 15025260 20033680 24040416 30050520 40067360 60101040 120202080