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10154406540 = 22353716012857
BaseRepresentation
bin10010111010011111…
…11111001010001100
3222012200022022002010
421131033333022030
5131244012002130
64355340101220
7506431013535
oct113517771214
928180268063
1010154406540
114340996a23
121b74834810
13c5a99cca5
146c487768c
153e670d0b0
hex25d3ff28c

10154406540 has 96 divisors (see below), whose sum is σ = 29229246144. Its totient is φ = 2632089600.

The previous prime is 10154406529. The next prime is 10154406557. The reversal of 10154406540 is 4560445101.

It is a super-2 number, since 2×101544065402 (a number of 21 digits) contains 22 as substring.

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 = 10154406498 and 10154406507.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3552792 + ... + 3555648.

It is an arithmetic number, because the mean of its divisors is an integer number (304471314).

Almost surely, 210154406540 is an apocalyptic number.

10154406540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10154406540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14614623072).

10154406540 is an abundant number, since it is smaller than the sum of its proper divisors (19074839604).

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

10154406540 is a wasteful number, since it uses less digits than its factorization.

10154406540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4507 (or 4505 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 10154406540 in words is "ten billion, one hundred fifty-four million, four hundred six thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 37 60 74 111 148 185 222 370 444 555 740 1110 1601 2220 2857 3202 4803 5714 6404 8005 8571 9606 11428 14285 16010 17142 19212 24015 28570 32020 34284 42855 48030 57140 59237 85710 96060 105709 118474 171420 177711 211418 236948 296185 317127 355422 422836 528545 592370 634254 710844 888555 1057090 1184740 1268508 1585635 1777110 2114180 3171270 3554220 4574057 6342540 9148114 13722171 18296228 22870285 27444342 45740570 54888684 68610855 91481140 137221710 169240109 274443420 338480218 507720327 676960436 846200545 1015440654 1692401090 2030881308 2538601635 3384802180 5077203270 10154406540