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1378167054960 = 243556591014731
BaseRepresentation
bin10100000011100001001…
…010000110001001110000
311212202021211110021022210
4110003201022012021300
5140034441231224320
62533042102532120
7201366156453033
oct24034112061160
94782254407283
101378167054960
11491528412563
121a3121437040
139cc64575897
144a9bcb1301a
1525cb152e0e0
hex140e1286270

1378167054960 has 80 divisors (see below), whose sum is σ = 4273077041280. Its totient is φ = 367445909760.

The previous prime is 1378167054931. The next prime is 1378167054977. The reversal of 1378167054960 is 694507618731.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 1378167054960.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 850795 + ... + 1865525.

It is an arithmetic number, because the mean of its divisors is an integer number (53413463016).

Almost surely, 21378167054960 is an apocalyptic number.

1378167054960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1378167054960 is an abundant number, since it is smaller than the sum of its proper divisors (2894909986320).

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

1378167054960 is a wasteful number, since it uses less digits than its factorization.

1378167054960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020406 (or 1020400 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 57.

The spelling of 1378167054960 in words is "one trillion, three hundred seventy-eight billion, one hundred sixty-seven million, fifty-four thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 5659 11318 16977 22636 28295 33954 45272 56590 67908 84885 90544 113180 135816 169770 226360 271632 339540 452720 679080 1014731 1358160 2029462 3044193 4058924 5073655 6088386 8117848 10147310 12176772 15220965 16235696 20294620 24353544 30441930 40589240 48707088 60883860 81178480 121767720 243535440 5742362729 11484725458 17227088187 22969450916 28711813645 34454176374 45938901832 57423627290 68908352748 86135440935 91877803664 114847254580 137816705496 172270881870 229694509160 275633410992 344541763740 459389018320 689083527480 1378167054960