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12103013004 = 223291391511657
BaseRepresentation
bin10110100010110010…
…10101001010001100
31011020110221202121220
423101121111022030
5144241332404004
65320545323340
7605631625125
oct132131251214
934213852556
1012103013004
115150920895
122419336550
1311ab5c1874
1482b59504c
154ac81cdd9
hex2d165528c

12103013004 has 96 divisors (see below), whose sum is σ = 29637081600. Its totient is φ = 3839270400.

The previous prime is 12103012981. The next prime is 12103013029. The reversal of 12103013004 is 40031030121.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7303344 + ... + 7305000.

It is an arithmetic number, because the mean of its divisors is an integer number (308719600).

Almost surely, 212103013004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12103013004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14818540800).

12103013004 is an abundant number, since it is smaller than the sum of its proper divisors (17534068596).

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

12103013004 is a wasteful number, since it uses less digits than its factorization.

12103013004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983 (or 1981 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12103013004 its reverse (40031030121), we get a palindrome (52134043125).

The spelling of 12103013004 in words is "twelve billion, one hundred three million, thirteen thousand, four".

Divisors: 1 2 3 4 6 12 29 58 87 116 139 151 174 278 302 348 417 453 556 604 834 906 1657 1668 1812 3314 4031 4379 4971 6628 8062 8758 9942 12093 13137 16124 17516 19884 20989 24186 26274 41978 48053 48372 52548 62967 83956 96106 125934 144159 192212 230323 250207 251868 288318 460646 500414 576636 608681 690969 750621 921292 1000828 1217362 1381938 1501242 1826043 2434724 2763876 3002484 3652086 6679367 7256003 7304172 13358734 14512006 20038101 21768009 26717468 29024012 34778773 40076202 43536018 69557546 80152404 87072036 104336319 139115092 208672638 417345276 1008584417 2017168834 3025753251 4034337668 6051506502 12103013004