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87869761034 = 21110139545347
BaseRepresentation
bin101000111010101110…
…0100010011000001010
322101210210110100121212
41101311130202120022
52414424124323114
6104211121533122
76230331434216
oct1216534423012
9271723410555
1087869761034
11342a120a020
12150434a41a2
1383946a7753
14437801d946
15244433eb3e
hex147572260a

87869761034 has 16 divisors (see below), whose sum is σ = 145210517856. Its totient is φ = 39545346000.

The previous prime is 87869761027. The next prime is 87869761037. The reversal of 87869761034 is 43016796878.

It is not an unprimeable number, because it can be changed into a prime (87869761037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19770452 + ... + 19774895.

It is an arithmetic number, because the mean of its divisors is an integer number (9075657366).

Almost surely, 287869761034 is an apocalyptic number.

87869761034 is a deficient number, since it is larger than the sum of its proper divisors (57340756822).

87869761034 is a wasteful number, since it uses less digits than its factorization.

87869761034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39545461.

The product of its (nonzero) digits is 12192768, while the sum is 59.

The spelling of 87869761034 in words is "eighty-seven billion, eight hundred sixty-nine million, seven hundred sixty-one thousand, thirty-four".

Divisors: 1 2 11 22 101 202 1111 2222 39545347 79090694 434998817 869997634 3994080047 7988160094 43934880517 87869761034