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87024467973 = 3223397327661
BaseRepresentation
bin101000100001100010…
…0000000000000000101
322022121212220000112110
41101003010000000011
52411211230433343
6103551204211233
76200355526032
oct1210304000005
9268555800473
1087024467973
11339a8052913
1214a48399b19
13828b526a41
1442d7a64389
1523e501c833
hex1443100005

87024467973 has 16 divisors (see below), whose sum is σ = 116846890496. Its totient is φ = 57610491840.

The previous prime is 87024467953. The next prime is 87024467977. The reversal of 87024467973 is 37976442078.

It is not a de Polignac number, because 87024467973 - 29 = 87024467461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87024467977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101763 + ... + 429423.

It is an arithmetic number, because the mean of its divisors is an integer number (7302930656).

Almost surely, 287024467973 is an apocalyptic number.

It is an amenable number.

87024467973 is a deficient number, since it is larger than the sum of its proper divisors (29822422523).

87024467973 is a wasteful number, since it uses less digits than its factorization.

87024467973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328284.

The product of its (nonzero) digits is 14224896, while the sum is 57.

The spelling of 87024467973 in words is "eighty-seven billion, twenty-four million, four hundred sixty-seven thousand, nine hundred seventy-three".

Divisors: 1 3 223 397 669 1191 88531 265593 327661 982983 73068403 130081417 219205209 390244251 29008155991 87024467973