Search a number
-
+
42914029440 = 273528378979
BaseRepresentation
bin100111111101111000…
…000001111110000000
311002202202022120101210
4213331320001332000
51200341442420230
631414152330120
73046310142312
oct477570017600
9132682276353
1042914029440
111722193a537
1283979a3940
13407b9c5c39
1421115d57b2
1511b2747eb0
hex9fde01f80

42914029440 has 128 divisors (see below), whose sum is σ = 137273558400. Its totient is φ = 11403159552.

The previous prime is 42914029439. The next prime is 42914029469. The reversal of 42914029440 is 4492041924.

42914029440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×429140294402 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 503871 + ... + 582849.

It is an arithmetic number, because the mean of its divisors is an integer number (1072449675).

Almost surely, 242914029440 is an apocalyptic number.

42914029440 is a gapful number since it is divisible by the number (40) 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 42914029440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68636779200).

42914029440 is an abundant number, since it is smaller than the sum of its proper divisors (94359528960).

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

42914029440 is a wasteful number, since it uses less digits than its factorization.

42914029440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79284 (or 79272 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 42914029440 in words is "forty-two billion, nine hundred fourteen million, twenty-nine thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 283 320 384 480 566 640 849 960 1132 1415 1698 1920 2264 2830 3396 4245 4528 5660 6792 8490 9056 11320 13584 16980 18112 22640 27168 33960 36224 45280 54336 67920 78979 90560 108672 135840 157958 181120 236937 271680 315916 394895 473874 543360 631832 789790 947748 1184685 1263664 1579580 1895496 2369370 2527328 3159160 3790992 4738740 5054656 6318320 7581984 9477480 10109312 12636640 15163968 18954960 22351057 25273280 30327936 37909920 44702114 50546560 67053171 75819840 89404228 111755285 134106342 151639680 178808456 223510570 268212684 335265855 357616912 447021140 536425368 670531710 715233824 894042280 1072850736 1341063420 1430467648 1788084560 2145701472 2682126840 2860935296 3576169120 4291402944 5364253680 7152338240 8582805888 10728507360 14304676480 21457014720 42914029440