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10140807450 = 235294771389
BaseRepresentation
bin10010111000111000…
…00111000100011010
3222011201201101122010
421130130013010122
5131232021314300
64354132410350
7506204304204
oct113434070432
928151641563
1010140807450
114334248804
121b701769b6
13c57c1b1a7
146c2b37774
153e5423a50
hex25c70711a

10140807450 has 48 divisors (see below), whose sum is σ = 25176111840. Its totient is φ = 2701321920.

The previous prime is 10140807431. The next prime is 10140807491. The reversal of 10140807450 is 5470804101.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106356 + ... + 177744.

It is an arithmetic number, because the mean of its divisors is an integer number (524502330).

Almost surely, 210140807450 is an apocalyptic number.

10140807450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10140807450 is an abundant number, since it is smaller than the sum of its proper divisors (15035304390).

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

10140807450 is a wasteful number, since it uses less digits than its factorization.

10140807450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72351 (or 72346 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The spelling of 10140807450 in words is "ten billion, one hundred forty million, eight hundred seven thousand, four hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 947 1894 2841 4735 5682 9470 14205 23675 28410 47350 71025 71389 142050 142778 214167 356945 428334 713890 1070835 1784725 2141670 3569450 5354175 10708350 67605383 135210766 202816149 338026915 405632298 676053830 1014080745 1690134575 2028161490 3380269150 5070403725 10140807450