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102010221331002 = 23237269429568493
BaseRepresentation
bin10111001100011100011011…
…000000011000001000111010
3111101012002012201101210102200
4113030130123000120020322
5101332313413130043002
61000542503154211030
730325665244421205
oct2714343300301072
9441162181353380
10102010221331002
112a55a3235a4256
12b536320883a76
1344bc6a41acc6a
141b2946cd9a93c
15bbd7becc9b1c
hex5cc71b01823a

102010221331002 has 48 divisors (see below), whose sum is σ = 226996959538440. Its totient is φ = 33084215116416.

The previous prime is 102010221330931. The next prime is 102010221331013. The reversal of 102010221331002 is 200133122010201.

102010221331002 is a `hidden beast` number, since 102 + 0 + 10 + 221 + 331 + 0 + 0 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 90267461844561 + 11742759486441 = 9500919^2 + 3426771^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179155468 + ... + 179723960.

Almost surely, 2102010221331002 is an apocalyptic number.

102010221331002 is an abundant number, since it is smaller than the sum of its proper divisors (124986738207438).

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

102010221331002 is a wasteful number, since it uses less digits than its factorization.

102010221331002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837967 (or 837964 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 102010221331002 its reverse (200133122010201), we get a palindrome (302143343341203).

The spelling of 102010221331002 in words is "one hundred two trillion, ten billion, two hundred twenty-one million, three hundred thirty-one thousand, two".

Divisors: 1 2 3 6 9 18 37 74 111 222 333 666 269429 538858 568493 808287 1136986 1616574 1705479 2424861 3410958 4849722 5116437 9968873 10232874 19937746 21034241 29906619 42068482 59813238 63102723 89719857 126205446 179439714 189308169 378616338 153168500497 306337000994 459505501491 919011002982 1378516504473 2757033008946 5667234518389 11334469036778 17001703555167 34003407110334 51005110665501 102010221331002