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42718977120 = 2535312870899
BaseRepresentation
bin100111110010001111…
…111101110001100000
311002021011021212220210
4213302033331301200
51144442024231440
631342543534120
73041421212541
oct476217756140
9132234255823
1042718977120
1117131826876
1283425ba340
13404a481971
1420d37404c8
1511a0569a80
hex9f23fdc60

42718977120 has 96 divisors (see below), whose sum is σ = 138905625600. Its totient is φ = 11024248320.

The previous prime is 42718977107. The next prime is 42718977127. The reversal of 42718977120 is 2177981724.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×427189771202 (a number of 22 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 42718977120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42718977127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1420570 + ... + 1450329.

It is an arithmetic number, because the mean of its divisors is an integer number (1446933600).

Almost surely, 242718977120 is an apocalyptic number.

42718977120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42718977120 is an abundant number, since it is smaller than the sum of its proper divisors (96186648480).

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

42718977120 is a wasteful number, since it uses less digits than its factorization.

42718977120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2870948 (or 2870940 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 48.

The spelling of 42718977120 in words is "forty-two billion, seven hundred eighteen million, nine hundred seventy-seven thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 32 40 48 60 62 80 93 96 120 124 155 160 186 240 248 310 372 465 480 496 620 744 930 992 1240 1488 1860 2480 2976 3720 4960 7440 14880 2870899 5741798 8612697 11483596 14354495 17225394 22967192 28708990 34450788 43063485 45934384 57417980 68901576 86126970 88997869 91868768 114835960 137803152 172253940 177995738 229671920 266993607 275606304 344507880 355991476 444989345 459343840 533987214 689015760 711982952 889978690 1067974428 1334968035 1378031520 1423965904 1779957380 2135948856 2669936070 2847931808 3559914760 4271897712 5339872140 7119829520 8543795424 10679744280 14239659040 21359488560 42718977120