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102053145504 = 2531489171389
BaseRepresentation
bin101111100001011010…
…1110110101110100000
3100202102020222221101210
41133002311312232200
53133001101124004
6114514345030120
710241654265312
oct1370265665640
9322366887353
10102053145504
113a30a381772
1217941485340
139814ca3b3b
144d219d17b2
1529c45e9089
hex17c2d76ba0

102053145504 has 48 divisors (see below), whose sum is σ = 267911249760. Its totient is φ = 34014954240.

The previous prime is 102053145503. The next prime is 102053145511. The reversal of 102053145504 is 405541350201.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-4 number, since 4×1020531455044 (a number of 45 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (102053145503) 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, 1393842 + ... + 1465230.

It is an arithmetic number, because the mean of its divisors is an integer number (5581484370).

Almost surely, 2102053145504 is an apocalyptic number.

It is an amenable number.

102053145504 is an abundant number, since it is smaller than the sum of its proper divisors (165858104256).

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

102053145504 is a wasteful number, since it uses less digits than its factorization.

102053145504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86293 (or 86285 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 102053145504 its reverse (405541350201), we get a palindrome (507594495705).

The spelling of 102053145504 in words is "one hundred two billion, fifty-three million, one hundred forty-five thousand, five hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 14891 29782 44673 59564 71389 89346 119128 142778 178692 214167 238256 285556 357384 428334 476512 571112 714768 856668 1142224 1429536 1713336 2284448 3426672 6853344 1063053599 2126107198 3189160797 4252214396 6378321594 8504428792 12756643188 17008857584 25513286376 34017715168 51026572752 102053145504