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33100145139 = 367519731687
BaseRepresentation
bin11110110100111011…
…000010000111110011
310011102210202121000110
4132310323002013303
51020242114121024
623112254552403
72251152406605
oct366473020763
9104383677013
1033100145139
1113046194a56
1264b9208703
1331767411c9
14186007d175
15cdada0629
hex7b4ec21f3

33100145139 has 16 divisors (see below), whose sum is σ = 44802268928. Its totient is φ = 21732540192.

The previous prime is 33100145101. The next prime is 33100145153. The reversal of 33100145139 is 93154100133.

It is not a de Polignac number, because 33100145139 - 27 = 33100145011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33100145159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1028754 + ... + 1060440.

It is an arithmetic number, because the mean of its divisors is an integer number (2800141808).

Almost surely, 233100145139 is an apocalyptic number.

33100145139 is a deficient number, since it is larger than the sum of its proper divisors (11702123789).

33100145139 is a wasteful number, since it uses less digits than its factorization.

33100145139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36954.

The product of its (nonzero) digits is 4860, while the sum is 30.

The spelling of 33100145139 in words is "thirty-three billion, one hundred million, one hundred forty-five thousand, one hundred thirty-nine".

Divisors: 1 3 67 201 5197 15591 31687 95061 348199 1044597 2123029 6369087 164677339 494032017 11033381713 33100145139