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102344431330 = 2526938046257
BaseRepresentation
bin101111101010000110…
…1000001011011100010
3100210011120002210102201
41133110031001123202
53134100133300310
6115003312203414
710252122212161
oct1372415013342
9323146083381
10102344431330
113a449844059
1217a02b3956a
13986044040b
144d4c5773d8
1529dee85e3a
hex17d43416e2

102344431330 has 16 divisors (see below), whose sum is σ = 184904813880. Its totient is φ = 40785586432.

The previous prime is 102344431249. The next prime is 102344431337. The reversal of 102344431330 is 33134443201.

It can be written as a sum of positive squares in 4 ways, for example, as 39393119529 + 62951311801 = 198477^2 + 250901^2 .

It is a super-2 number, since 2×1023444313302 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102344431337) 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, 19020439 + ... + 19025818.

Almost surely, 2102344431330 is an apocalyptic number.

102344431330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102344431330 is a deficient number, since it is larger than the sum of its proper divisors (82560382550).

102344431330 is a wasteful number, since it uses less digits than its factorization.

102344431330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38046533.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 102344431330 its reverse (33134443201), we get a palindrome (135478874531).

The spelling of 102344431330 in words is "one hundred two billion, three hundred forty-four million, four hundred thirty-one thousand, three hundred thirty".

Divisors: 1 2 5 10 269 538 1345 2690 38046257 76092514 190231285 380462570 10234443133 20468886266 51172215665 102344431330