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1274830100040 = 233571517654881
BaseRepresentation
bin10010100011010001110…
…010111001011001001000
311111212120002202001111010
4102203101302321121020
5131341323001200130
62413352053203520
7161050323026010
oct22432162713110
94455502661433
101274830100040
1145171a3a1882
121870a20305a0
13932a6615303
14459b8816c40
15232643920b0
hex128d1cb9648

1274830100040 has 64 divisors (see below), whose sum is σ = 4370846060160. Its totient is φ = 291389736960.

The previous prime is 1274830099997. The next prime is 1274830100041. The reversal of 1274830100040 is 400010384721.

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

It is a junction number, because it is equal to n+sod(n) for n = 1274830099980 and 1274830100007.

It is not an unprimeable number, because it can be changed into a prime (1274830100041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 758826601 + ... + 758828280.

It is an arithmetic number, because the mean of its divisors is an integer number (68294469690).

Almost surely, 21274830100040 is an apocalyptic number.

1274830100040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1274830100040 is an abundant number, since it is smaller than the sum of its proper divisors (3096015960120).

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

1274830100040 is a wasteful number, since it uses less digits than its factorization.

1274830100040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517654902 (or 1517654898 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

Adding to 1274830100040 its reverse (400010384721), we get a palindrome (1674840484761).

The spelling of 1274830100040 in words is "one trillion, two hundred seventy-four billion, eight hundred thirty million, one hundred thousand, forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 1517654881 3035309762 4552964643 6070619524 7588274405 9105929286 10623584167 12141239048 15176548810 18211858572 21247168334 22764823215 30353097620 31870752501 36423717144 42494336668 45529646430 53117920835 60706195240 63741505002 84988673336 91059292860 106235841670 127483010004 159353762505 182118585720 212471683340 254966020008 318707525010 424943366680 637415050020 1274830100040