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1299731090008 = 231394793131839
BaseRepresentation
bin10010111010011110000…
…000101000101001011000
311121020211111100102001211
4102322132000220221120
5132243322124340013
62433031015552504
7162621355660261
oct22723600505130
94536744312054
101299731090008
1146123835312a
1218ba9138b734
13957444937c0
1446c9b989968
1523c2050823d
hex12e9e028a58

1299731090008 has 32 divisors (see below), whose sum is σ = 2624504601600. Its totient is φ = 599865009408.

The previous prime is 1299731090003. The next prime is 1299731090023. The reversal of 1299731090008 is 8000901379921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1299731090003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9792553 + ... + 9924391.

It is an arithmetic number, because the mean of its divisors is an integer number (82015768800).

Almost surely, 21299731090008 is an apocalyptic number.

It is an amenable number.

1299731090008 is an abundant number, since it is smaller than the sum of its proper divisors (1324773511592).

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

1299731090008 is a wasteful number, since it uses less digits than its factorization.

1299731090008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226651 (or 226647 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 49.

The spelling of 1299731090008 in words is "one trillion, two hundred ninety-nine billion, seven hundred thirty-one million, ninety thousand, eight".

Divisors: 1 2 4 8 13 26 52 104 94793 131839 189586 263678 379172 527356 758344 1054712 1232309 1713907 2464618 3427814 4929236 6855628 9858472 13711256 12497414327 24994828654 49989657308 99979314616 162466386251 324932772502 649865545004 1299731090008