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1029235813892 = 22111317914476947
BaseRepresentation
bin11101111101000110011…
…11000010111000000100
310122101122012202122120222
432332203033002320010
5113330333332021032
62104454023243512
7134234265033026
oct16764317027004
93571565678528
101029235813892
1136755086a660
12147580ba9598
137609723a0c0
1437b5b1aa016
151bb8d23ea12
hexefa33c2e04

1029235813892 has 96 divisors (see below), whose sum is σ = 2129649822720. Its totient is φ = 429076091520.

The previous prime is 1029235813891. The next prime is 1029235813901. The reversal of 1029235813892 is 2983185329201.

1029235813892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1029235813891) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148151963 + ... + 148158909.

It is an arithmetic number, because the mean of its divisors is an integer number (22183852320).

Almost surely, 21029235813892 is an apocalyptic number.

It is an amenable number.

1029235813892 is an abundant number, since it is smaller than the sum of its proper divisors (1100414008828).

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

1029235813892 is a wasteful number, since it uses less digits than its factorization.

1029235813892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8601 (or 8599 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 53.

The spelling of 1029235813892 in words is "one trillion, twenty-nine billion, two hundred thirty-five million, eight hundred thirteen thousand, eight hundred ninety-two".

Divisors: 1 2 4 11 13 22 26 44 52 143 179 286 358 572 716 1447 1969 2327 2894 3938 4654 5788 6947 7876 9308 13894 15917 18811 25597 27788 31834 37622 51194 63668 75244 76417 90311 102388 152834 180622 206921 259013 305668 361244 413842 518026 827684 993421 1036052 1243513 1986842 2487026 2849143 3367169 3973684 4974052 5698286 6734338 10052309 11396572 13468676 13678643 16165669 20104618 27357286 32331338 37038859 40209236 54714572 64662676 74077718 110575399 130680017 148155436 177822359 221150798 261360034 355644718 442301596 522720068 711289436 1437480187 1799363311 2874960374 3598726622 5749920748 7197453244 19792996421 23391723043 39585992842 46783446086 79171985684 93566892172 257308953473 514617906946 1029235813892