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61478051370 = 2352049268379
BaseRepresentation
bin111001010000011000…
…001001111000101010
312212200111210121001120
4321100120021320222
52001401340120440
644124224000110
74304324546241
oct712030117052
9185614717046
1061478051370
1124088836a1a
12bab8a60036
135a49a360b8
142d92cc1958
1518ec3b3dd0
hexe50609e2a

61478051370 has 16 divisors (see below), whose sum is σ = 147547323360. Its totient is φ = 16394147024.

The previous prime is 61478051339. The next prime is 61478051413. The reversal of 61478051370 is 7315087416.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1024634160 + ... + 1024634219.

It is an arithmetic number, because the mean of its divisors is an integer number (9221707710).

Almost surely, 261478051370 is an apocalyptic number.

61478051370 is an abundant number, since it is smaller than the sum of its proper divisors (86069271990).

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

61478051370 is a wasteful number, since it uses less digits than its factorization.

61478051370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2049268389.

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 61478051370 in words is "sixty-one billion, four hundred seventy-eight million, fifty-one thousand, three hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 2049268379 4098536758 6147805137 10246341895 12295610274 20492683790 30739025685 61478051370