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29900139663 = 350925037823
BaseRepresentation
bin11011110110001011…
…111110110010001111
32212011210101110202010
4123312023332302033
5442213413432123
621422543432303
72105644664562
oct336613766217
985153343663
1029900139663
1111753938529
1259655b5693
132a867a0044
1416390924d9
15b9eea0993
hex6f62fec8f

29900139663 has 16 divisors (see below), whose sum is σ = 39966243840. Its totient is φ = 19883774304.

The previous prime is 29900139641. The next prime is 29900139667. The reversal of 29900139663 is 36693100992.

It is a happy number.

It is not a de Polignac number, because 29900139663 - 28 = 29900139407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29900139667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3818170 + ... + 3825992.

It is an arithmetic number, because the mean of its divisors is an integer number (2497890240).

Almost surely, 229900139663 is an apocalyptic number.

29900139663 is a deficient number, since it is larger than the sum of its proper divisors (10066104177).

29900139663 is a wasteful number, since it uses less digits than its factorization.

29900139663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10838.

The product of its (nonzero) digits is 472392, while the sum is 48.

The spelling of 29900139663 in words is "twenty-nine billion, nine hundred million, one hundred thirty-nine thousand, six hundred sixty-three".

Divisors: 1 3 509 1527 2503 7509 7823 23469 1274027 3822081 3981907 11945721 19580969 58742907 9966713221 29900139663