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1029307220668 = 225313137062769
BaseRepresentation
bin11101111101001110111…
…11011100001010111100
310122101211012010111021101
432332213133130022330
5113331010122030133
62104505053542444
7134236123006036
oct16764737341274
93571735114241
101029307220668
11367588101621
121475a0aa4a24
13760a8c7c02c
1437b66876c56
151bb9464737d
hexefa77dc2bc

1029307220668 has 24 divisors (see below), whose sum is σ = 1849283971920. Its totient is φ = 501088623360.

The previous prime is 1029307220659. The next prime is 1029307220677. The reversal of 1029307220668 is 8660227039201.

It is an interprime number because it is at equal distance from previous prime (1029307220659) and next prime (1029307220677).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18503613 + ... + 18559156.

It is an arithmetic number, because the mean of its divisors is an integer number (77053498830).

Almost surely, 21029307220668 is an apocalyptic number.

It is an amenable number.

1029307220668 is a deficient number, since it is larger than the sum of its proper divisors (819976751252).

1029307220668 is a wasteful number, since it uses less digits than its factorization.

1029307220668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37062957 (or 37062955 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 1029307220668 in words is "one trillion, twenty-nine billion, three hundred seven million, two hundred twenty thousand, six hundred sixty-eight".

Divisors: 1 2 4 53 106 131 212 262 524 6943 13886 27772 37062769 74125538 148251076 1964326757 3928653514 4855222739 7857307028 9710445478 19420890956 257326805167 514653610334 1029307220668