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87952344325978 = 21140931600161043
BaseRepresentation
bin10011111111111000000000…
…001111011001111101011010
3102112102011101002200100112111
4103333320000033121331122
543012002400121412403
6511020425454102534
724345230040441466
oct2377700017317532
9375364332610474
1087952344325978
112602a41a506110
129a459061aaa4a
133a0cb415ab3a2
1417a0cb7dcd4a6
15a27c97c3456d
hex4ffe003d9f5a

87952344325978 has 32 divisors (see below), whose sum is σ = 143968536153792. Its totient is φ = 39965418240000.

The previous prime is 87952344325961. The next prime is 87952344325991.

It is a happy number.

87952344325978 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×879523443259782 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1440795525 + ... + 1440856567.

It is an arithmetic number, because the mean of its divisors is an integer number (4499016754806).

Almost surely, 287952344325978 is an apocalyptic number.

87952344325978 is a deficient number, since it is larger than the sum of its proper divisors (56016191827814).

87952344325978 is a wasteful number, since it uses less digits than its factorization.

87952344325978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81150.

The product of its digits is 3657830400, while the sum is 76.

The spelling of 87952344325978 in words is "eighty-seven trillion, nine hundred fifty-two billion, three hundred forty-four million, three hundred twenty-five thousand, nine hundred seventy-eight".

Divisors: 1 2 11 22 4093 8186 16001 32002 45023 61043 90046 122086 176011 352022 671473 1342946 65492093 130984186 249848999 499697998 720413023 976749043 1440826046 1953498086 2748338989 5496677978 10744239473 21488478946 3997833832999 7995667665998 43976172162989 87952344325978