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1013201000 = 23537532731
BaseRepresentation
bin111100011001000…
…011100001101000
32121121111221110222
4330121003201220
54033334413000
6244312225212
734052031530
oct7431034150
92547457428
101013201000
1147aa1a9a9
1224339b208
13131baca26
14987c64c0
155de3ca85
hex3c643868

1013201000 has 128 divisors (see below), whose sum is σ = 2761724160. Its totient is φ = 340704000.

The previous prime is 1013200967. The next prime is 1013201017. The reversal of 1013201000 is 1023101.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 369635 + ... + 372365.

It is an arithmetic number, because the mean of its divisors is an integer number (21575970).

Almost surely, 21013201000 is an apocalyptic number.

1013201000 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 1013201000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1380862080).

1013201000 is an abundant number, since it is smaller than the sum of its proper divisors (1748523160).

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

1013201000 is a wasteful number, since it uses less digits than its factorization.

1013201000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2812 (or 2798 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1013201000 is about 31830.8183997836. The cubic root of 1013201000 is about 1004.3811111677.

Adding to 1013201000 its reverse (1023101), we get a palindrome (1014224101).

The spelling of 1013201000 in words is "one billion, thirteen million, two hundred one thousand".

Divisors: 1 2 4 5 7 8 10 14 20 25 28 35 40 50 53 56 70 100 106 125 140 175 200 212 250 265 280 350 371 424 500 530 700 742 875 1000 1060 1325 1400 1484 1750 1855 2120 2650 2731 2968 3500 3710 5300 5462 6625 7000 7420 9275 10600 10924 13250 13655 14840 18550 19117 21848 26500 27310 37100 38234 46375 53000 54620 68275 74200 76468 92750 95585 109240 136550 144743 152936 185500 191170 273100 289486 341375 371000 382340 477925 546200 578972 682750 723715 764680 955850 1013201 1157944 1365500 1447430 1911700 2026402 2389625 2731000 2894860 3618575 3823400 4052804 4779250 5066005 5789720 7237150 8105608 9558500 10132010 14474300 18092875 19117000 20264020 25330025 28948600 36185750 40528040 50660050 72371500 101320100 126650125 144743000 202640200 253300250 506600500 1013201000