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10661402160 = 2432514807503
BaseRepresentation
bin10011110110111100…
…00001011000110000
31000112000022100022200
421323132001120300
5133313304332120
64521530503200
7525125265063
oct117336013060
930460270280
1010661402160
1145810a1272
122096594b00
13100ba342b6
14731d308da
15425ea8e90
hex27b781630

10661402160 has 60 divisors (see below), whose sum is σ = 35804544672. Its totient is φ = 2843040384.

The previous prime is 10661402149. The next prime is 10661402197. The reversal of 10661402160 is 6120416601.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×106614021602 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7403032 + ... + 7404471.

Almost surely, 210661402160 is an apocalyptic number.

10661402160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10661402160 is an abundant number, since it is smaller than the sum of its proper divisors (25143142512).

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

10661402160 is a wasteful number, since it uses less digits than its factorization.

10661402160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14807522 (or 14807513 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 10661402160 its reverse (6120416601), we get a palindrome (16781818761).

The spelling of 10661402160 in words is "ten billion, six hundred sixty-one million, four hundred two thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 14807503 29615006 44422509 59230012 74037515 88845018 118460024 133267527 148075030 177690036 222112545 236920048 266535054 296150060 355380072 444225090 533070108 592300120 666337635 710760144 888450180 1066140216 1184600240 1332675270 1776900360 2132280432 2665350540 3553800720 5330701080 10661402160