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1001390227968 = 2931350149751
BaseRepresentation
bin11101001001001111000…
…00100100001000000000
310112201202121101022201210
432210213200210020000
5112401321344243333
62044010551530120
7132230245331544
oct16444740441000
93481677338653
101001390227968
1135676174a829
121420ab689940
137357a305440
1436678d33a24
151b0ad82aa63
hexe927824200

1001390227968 has 80 divisors (see below), whose sum is σ = 2872978992576. Its totient is φ = 308120064000.

The previous prime is 1001390227951. The next prime is 1001390228021. The reversal of 1001390227968 is 8697220931001.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25054908 + ... + 25094843.

Almost surely, 21001390227968 is an apocalyptic number.

It is an amenable number.

1001390227968 is an abundant number, since it is smaller than the sum of its proper divisors (1871588764608).

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

1001390227968 is an equidigital number, since it uses as much as digits as its factorization.

1001390227968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50149785 (or 50149769 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 48.

The spelling of 1001390227968 in words is "one trillion, one billion, three hundred ninety million, two hundred twenty-seven thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 128 156 192 208 256 312 384 416 512 624 768 832 1248 1536 1664 2496 3328 4992 6656 9984 19968 50149751 100299502 150449253 200599004 300898506 401198008 601797012 651946763 802396016 1203594024 1303893526 1604792032 1955840289 2407188048 2607787052 3209584064 3911680578 4814376096 5215574104 6419168128 7823361156 9628752192 10431148208 12838336256 15646722312 19257504384 20862296416 25676672512 31293444624 38515008768 41724592832 62586889248 77030017536 83449185664 125173778496 166898371328 250347556992 333796742656 500695113984 1001390227968