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1655414006540 = 2257118110012181
BaseRepresentation
bin11000000101101110010…
…111010010001100001100
312212020220122111200100212
4120011232113102030030
5204110241441202130
63304253043141552
7230412462613310
oct30055627221414
95766818450325
101655414006540
1158906a060808
122289b69748b8
13c014952b318
145a1a008bb40
152d0db40de95
hex1816e5d230c

1655414006540 has 48 divisors (see below), whose sum is σ = 3976358105664. Its totient is φ = 567089875200.

The previous prime is 1655414006531. The next prime is 1655414006549. The reversal of 1655414006540 is 456004145561.

It is an interprime number because it is at equal distance from previous prime (1655414006531) and next prime (1655414006549).

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1655414006549) 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, 4840751 + ... + 5171430.

It is an arithmetic number, because the mean of its divisors is an integer number (82840793868).

Almost surely, 21655414006540 is an apocalyptic number.

1655414006540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1655414006540 is an abundant number, since it is smaller than the sum of its proper divisors (2320944099124).

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

1655414006540 is a wasteful number, since it uses less digits than its factorization.

1655414006540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10013378 (or 10013376 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 1655414006540 in words is "one trillion, six hundred fifty-five billion, four hundred fourteen million, six thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1181 2362 4724 5905 8267 11810 16534 23620 33068 41335 82670 165340 10012181 20024362 40048724 50060905 70085267 100121810 140170534 200243620 280341068 350426335 700852670 1401705340 11824385761 23648771522 47297543044 59121928805 82770700327 118243857610 165541400654 236487715220 331082801308 413853501635 827707003270 1655414006540