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1054215901228 = 22751521730781
BaseRepresentation
bin11110101011101000010…
…10100001000000101100
310201210010010012120100211
433111310022201000230
5114233013232314403
62124144453232204
7136110311211010
oct17256412410054
93653103176324
101054215901228
113770aa435a36
12150392932664
13785485c0b79
143904aa4c540
151c6512cc06d
hexf5742a102c

1054215901228 has 24 divisors (see below), whose sum is σ = 2108475611424. Its totient is φ = 451797427200.

The previous prime is 1054215901213. The next prime is 1054215901243. The reversal of 1054215901228 is 8221095124501.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1054215901213) and next prime (1054215901243).

It is a super-2 number, since 2×10542159012282 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1077198 + ... + 1807978.

It is an arithmetic number, because the mean of its divisors is an integer number (87853150476).

Almost surely, 21054215901228 is an apocalyptic number.

It is an amenable number.

1054215901228 is an abundant number, since it is smaller than the sum of its proper divisors (1054259710196).

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

1054215901228 is a wasteful number, since it uses less digits than its factorization.

1054215901228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782313 (or 782311 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 40.

The spelling of 1054215901228 in words is "one trillion, fifty-four billion, two hundred fifteen million, nine hundred one thousand, two hundred twenty-eight".

Divisors: 1 2 4 7 14 28 51521 103042 206084 360647 721294 730781 1442588 1461562 2923124 5115467 10230934 20461868 37650567901 75301135802 150602271604 263553975307 527107950614 1054215901228