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1377965422880 = 255127101366943
BaseRepresentation
bin10100000011010101001…
…000111011100100100000
311212201202210001022002222
4110003111020323210200
5140034033122013010
62533010101130212
7201361160560304
oct24032510734440
94781683038088
101377965422880
11491434615382
121a30859b9968
139cc31869767
144a9a0027d04
1525c9d9a1355
hex140d523b920

1377965422880 has 96 divisors (see below), whose sum is σ = 3284364754944. Its totient is φ = 546298131456.

The previous prime is 1377965422807. The next prime is 1377965422997. The reversal of 1377965422880 is 882245697731.

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, 20550689 + ... + 20617631.

It is an arithmetic number, because the mean of its divisors is an integer number (34212132864).

It is a 1-persistent number, because it is pandigital, but 2⋅1377965422880 = 2755930845760 is not.

Almost surely, 21377965422880 is an apocalyptic number.

1377965422880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1377965422880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1642182377472).

1377965422880 is an abundant number, since it is smaller than the sum of its proper divisors (1906399332064).

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

1377965422880 is a wasteful number, since it uses less digits than its factorization.

1377965422880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68098 (or 68090 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 62.

The spelling of 1377965422880 in words is "one trillion, three hundred seventy-seven billion, nine hundred sixty-five million, four hundred twenty-two thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 127 160 254 508 635 1013 1016 1270 2026 2032 2540 4052 4064 5065 5080 8104 10130 10160 16208 20260 20320 32416 40520 66943 81040 128651 133886 162080 257302 267772 334715 514604 535544 643255 669430 1029208 1071088 1286510 1338860 2058416 2142176 2573020 2677720 4116832 5146040 5355440 8501761 10292080 10710880 17003522 20584160 34007044 42508805 67813259 68014088 85017610 135626518 136028176 170035220 271253036 272056352 339066295 340070440 542506072 678132590 680140880 1085012144 1356265180 1360281760 2170024288 2712530360 5425060720 8612283893 10850121440 17224567786 34449135572 43061419465 68898271144 86122838930 137796542288 172245677860 275593084576 344491355720 688982711440 1377965422880