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87030511121372 = 22721322627415503
BaseRepresentation
bin10011110010011101011110…
…101100110011001111011100
3102102011000221221212120002112
4103302131132230303033130
542401401441321340442
6505033133113213152
724221514124463300
oct2362353654631734
9372130857776075
1087030511121372
1125804483713575
12991711a1011b8
133973c326ccb00
14176c429083d00
15a0dce3a75082
hex4f275eb333dc

87030511121372 has 54 divisors (see below), whose sum is σ = 191845997855568. Its totient is φ = 34429652738208.

The previous prime is 87030511121329. The next prime is 87030511121377. The reversal of 87030511121372 is 27312111503078.

It is a super-3 number, since 3×870305111213723 (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87030511121377) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1313674628 + ... + 1313740875.

It is an arithmetic number, because the mean of its divisors is an integer number (3552703663992).

Almost surely, 287030511121372 is an apocalyptic number.

It is an amenable number.

87030511121372 is an abundant number, since it is smaller than the sum of its proper divisors (104815486734196).

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

87030511121372 is a wasteful number, since it uses less digits than its factorization.

87030511121372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2627415547 (or 2627415525 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 41.

The spelling of 87030511121372 in words is "eighty-seven trillion, thirty billion, five hundred eleven million, one hundred twenty-one thousand, three hundred seventy-two".

Divisors: 1 2 4 7 13 14 26 28 49 52 91 98 169 182 196 338 364 637 676 1183 1274 2366 2548 4732 8281 16562 33124 2627415503 5254831006 10509662012 18391908521 34156401539 36783817042 68312803078 73567634084 128743359647 136625606156 239094810773 257486719294 444033220007 478189621546 514973438588 888066440014 956379243092 1673663675411 1776132880028 3108232540049 3347327350822 6216465080098 6694654701644 12432930160196 21757627780343 43515255560686 87030511121372