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7072961004 = 22324147101957
BaseRepresentation
bin1101001011001010…
…01101000111101100
3200020221000122110200
412211211031013230
5103441134223004
63125502033500
7340163114364
oct64545150754
920227018420
107072961004
112aaa55831a
121454878890
13889470435
144b150d9a4
152b5e2c239
hex1a594d1ec

7072961004 has 72 divisors (see below), whose sum is σ = 18704806848. Its totient is φ = 2251188480.

The previous prime is 7072960987. The next prime is 7072961053. The reversal of 7072961004 is 4001692707.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 7072961004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18394 + ... + 120350.

It is an arithmetic number, because the mean of its divisors is an integer number (259788984).

Almost surely, 27072961004 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 7072961004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9352403424).

7072961004 is an abundant number, since it is smaller than the sum of its proper divisors (11631845844).

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

7072961004 is a wasteful number, since it uses less digits than its factorization.

7072961004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102055 (or 102050 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 7072961004 is about 84100.8977597742. The cubic root of 7072961004 is about 1919.5543855172.

The spelling of 7072961004 in words is "seven billion, seventy-two million, nine hundred sixty-one thousand, four".

Divisors: 1 2 3 4 6 9 12 18 36 41 47 82 94 123 141 164 188 246 282 369 423 492 564 738 846 1476 1692 1927 3854 5781 7708 11562 17343 23124 34686 69372 101957 203914 305871 407828 611742 917613 1223484 1835226 3670452 4180237 4791979 8360474 9583958 12540711 14375937 16720948 19167916 25081422 28751874 37622133 43127811 50162844 57503748 75244266 86255622 150488532 172511244 196471139 392942278 589413417 785884556 1178826834 1768240251 2357653668 3536480502 7072961004