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10015011006 = 2371131313781
BaseRepresentation
bin10010101001111000…
…01111000010111110
3221211222000021100120
421110330033002332
5131002320323011
64333440235410
7503116121550
oct112474170276
927758007316
1010015011006
11427a238000
121b3600bb66
13c37b44b20
146b014d4d0
153d9375a06
hex254f0f0be

10015011006 has 128 divisors (see below), whose sum is σ = 27117683712. Its totient is φ = 2401027200.

The previous prime is 10015010987. The next prime is 10015011007. The reversal of 10015011006 is 60011051001.

It is a super-2 number, since 2×100150110062 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10015011007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 719836 + ... + 733616.

It is an arithmetic number, because the mean of its divisors is an integer number (211856904).

Almost surely, 210015011006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10015011006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13558841856).

10015011006 is an abundant number, since it is smaller than the sum of its proper divisors (17102672706).

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

10015011006 is a wasteful number, since it uses less digits than its factorization.

10015011006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13839 (or 13817 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 15.

Adding to 10015011006 its reverse (60011051001), we get a palindrome (70026062007).

It can be divided in two parts, 100150 and 11006, that added together give a triangular number (111156 = T471).

The spelling of 10015011006 in words is "ten billion, fifteen million, eleven thousand, six".

Divisors: 1 2 3 6 7 11 13 14 21 22 26 33 39 42 66 77 78 91 121 143 154 182 231 242 273 286 363 429 462 546 726 847 858 1001 1331 1573 1694 2002 2541 2662 3003 3146 3993 4719 5082 6006 7986 9317 9438 11011 13781 17303 18634 22022 27562 27951 33033 34606 41343 51909 55902 66066 82686 96467 103818 121121 151591 179153 192934 242242 289401 303182 358306 363363 454773 537459 578802 726726 909546 1061137 1074918 1254071 1667501 1970683 2122274 2508142 3183411 3335002 3762213 3941366 5002503 5912049 6366822 7524426 10005006 11672507 11824098 13794781 18342511 21677513 23345014 27589562 35017521 36685022 41384343 43355026 55027533 65032539 70035042 82768686 110055066 128397577 130065078 151742591 238452643 256795154 303485182 385192731 455227773 476905286 715357929 770385462 910455546 1430715858 1669168501 3338337002 5007505503 10015011006