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102342131012 = 221119532309789
BaseRepresentation
bin101111101010000010…
…0001111110101000100
3100210011101202220222202
41133110010033311010
53134044041143022
6115003151014032
710252063521542
oct1372404176504
9323141686882
10102342131012
113a448512870
1217a0220a318
13985cb16394
144d4c138d92
1529deb7e592
hex17d410fd44

102342131012 has 48 divisors (see below), whose sum is σ = 209544148800. Its totient is φ = 43239231360.

The previous prime is 102342130981. The next prime is 102342131039. The reversal of 102342131012 is 210131243201.

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, 1110587 + ... + 1199202.

It is an arithmetic number, because the mean of its divisors is an integer number (4365503100).

Almost surely, 2102342131012 is an apocalyptic number.

It is an amenable number.

102342131012 is an abundant number, since it is smaller than the sum of its proper divisors (107202017788).

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

102342131012 is a wasteful number, since it uses less digits than its factorization.

102342131012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309876 (or 2309874 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 102342131012 its reverse (210131243201), we get a palindrome (312473374213).

The spelling of 102342131012 in words is "one hundred two billion, three hundred forty-two million, one hundred thirty-one thousand, twelve".

Divisors: 1 2 4 11 19 22 38 44 53 76 106 209 212 418 583 836 1007 1166 2014 2332 4028 11077 22154 44308 2309789 4619578 9239156 25407679 43885991 50815358 87771982 101630716 122418817 175543964 244837634 482745901 489675268 965491802 1346606987 1930983604 2325957523 2693213974 4651915046 5386427948 9303830092 25585532753 51171065506 102342131012