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101065641440 = 2552257327983
BaseRepresentation
bin101111000011111111…
…0110100110111100000
3100122212102211112111012
41132013332310313200
53123440301011230
6114232351240052
710205333530601
oct1360776646740
9318772745435
10101065641440
1139952a13305
1217706819028
1396b85205ca
144c6a7b7da8
152967a85395
hex1787fb4de0

101065641440 has 48 divisors (see below), whose sum is σ = 238786688448. Its totient is φ = 40423021056.

The previous prime is 101065641421. The next prime is 101065641463. The reversal of 101065641440 is 44146560101.

It is a super-3 number, since 3×1010656414403 (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 101065641397 and 101065641406.

It is a congruent 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, 3597689 + ... + 3625671.

It is an arithmetic number, because the mean of its divisors is an integer number (4974722676).

Almost surely, 2101065641440 is an apocalyptic number.

101065641440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101065641440 is an abundant number, since it is smaller than the sum of its proper divisors (137721047008).

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

101065641440 is a wasteful number, since it uses less digits than its factorization.

101065641440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50571 (or 50563 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 101065641440 in words is "one hundred one billion, sixty-five million, six hundred forty-one thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 22573 27983 45146 55966 90292 111932 112865 139915 180584 223864 225730 279830 361168 447728 451460 559660 722336 895456 902920 1119320 1805840 2238640 3611680 4477280 631660259 1263320518 2526641036 3158301295 5053282072 6316602590 10106564144 12633205180 20213128288 25266410360 50532820720 101065641440