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29945050464 = 253744561087
BaseRepresentation
bin11011111000110111…
…010011010101100000
32212021220220011210010
4123320313103111200
5442311413103324
621431230204520
72110031505060
oct337067232540
985256804703
1029945050464
111177722269a
125978653740
132a92b95b94
1416410233a0
15ba3dc2829
hex6f8dd3560

29945050464 has 48 divisors (see below), whose sum is σ = 89835153408. Its totient is φ = 8555728512.

The previous prime is 29945050433. The next prime is 29945050547. The reversal of 29945050464 is 46405054992.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22279872 + ... + 22281215.

It is an arithmetic number, because the mean of its divisors is an integer number (1871565696).

Almost surely, 229945050464 is an apocalyptic number.

29945050464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

29945050464 is an abundant number, since it is smaller than the sum of its proper divisors (59890102944).

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

29945050464 is a wasteful number, since it uses less digits than its factorization.

29945050464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44561107 (or 44561099 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 29945050464 in words is "twenty-nine billion, nine hundred forty-five million, fifty thousand, four hundred sixty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 44561087 89122174 133683261 178244348 267366522 311927609 356488696 534733044 623855218 712977392 935782827 1069466088 1247710436 1425954784 1871565654 2138932176 2495420872 3743131308 4277864352 4990841744 7486262616 9981683488 14972525232 29945050464