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7445113972 = 2229213671619
BaseRepresentation
bin1101110111100001…
…10110110001110100
3201012212021222100221
412323300312301310
5110221422121342
63230434344124
7352332265432
oct67360666164
921185258327
107445113972
11318063335a
12153942b044
139185b19aa
14508b05d52
152d893ea67
hex1bbc36c74

7445113972 has 36 divisors (see below), whose sum is σ = 13511927520. Its totient is φ = 3589345312.

The previous prime is 7445113939. The next prime is 7445113979. The reversal of 7445113972 is 2793115447.

It is a super-4 number, since 4×74451139724 (a number of 41 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7445113979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4597779 + ... + 4599397.

It is an arithmetic number, because the mean of its divisors is an integer number (375331320).

Almost surely, 27445113972 is an apocalyptic number.

It is an amenable number.

7445113972 is a deficient number, since it is larger than the sum of its proper divisors (6066813548).

7445113972 is a wasteful number, since it uses less digits than its factorization.

7445113972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3048 (or 3017 counting only the distinct ones).

The product of its digits is 211680, while the sum is 43.

The square root of 7445113972 is about 86285.0738656461. The cubic root of 7445113972 is about 1952.6472021500.

The spelling of 7445113972 in words is "seven billion, four hundred forty-five million, one hundred thirteen thousand, nine hundred seventy-two".

Divisors: 1 2 4 29 58 116 841 1367 1619 1682 2734 3238 3364 5468 6476 39643 46951 79286 93902 158572 187804 1149647 1361579 2213173 2299294 2723158 4426346 4598588 5446316 8852692 64182017 128364034 256728068 1861278493 3722556986 7445113972