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102100201011232 = 2541281276940481
BaseRepresentation
bin10111001101110000001110…
…001101100111100000100000
3111101111200110120001011001221
4113031300032031213200200
5101340302202424324412
61001052103531104424
730335332106164354
oct2715601615474040
9441450416034057
10102100201011232
112a5944a77a6846
12b54b8528a2114
1344c8013a393b8
141b2d9672c9464
15bc0cd9490b07
hex5cdc0e367820

102100201011232 has 48 divisors (see below), whose sum is σ = 206645233334904. Its totient is φ = 49627734016000.

The previous prime is 102100201011143. The next prime is 102100201011239. The reversal of 102100201011232 is 232110102001201.

It can be written as a sum of positive squares in 4 ways, for example, as 95615620248976 + 6484580762256 = 9778324^2 + 2546484^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (102100201011239) 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, 138101569 + ... + 138838912.

Almost surely, 2102100201011232 is an apocalyptic number.

It is an amenable number.

102100201011232 is an abundant number, since it is smaller than the sum of its proper divisors (104545032323672).

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

102100201011232 is a wasteful number, since it uses less digits than its factorization.

102100201011232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276940813 (or 276940805 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 102100201011232 its reverse (232110102001201), we get a palindrome (334210303012433).

The spelling of 102100201011232 in words is "one hundred two trillion, one hundred billion, two hundred one million, eleven thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 32 41 82 164 281 328 562 656 1124 1312 2248 4496 8992 11521 23042 46084 92168 184336 368672 276940481 553880962 1107761924 2215523848 4431047696 8862095392 11354559721 22709119442 45418238884 77820275161 90836477768 155640550322 181672955536 311281100644 363345911072 622562201288 1245124402576 2490248805152 3190631281601 6381262563202 12762525126404 25525050252808 51050100505616 102100201011232