Search a number
-
+
40881702357489 = 3719191864162081
BaseRepresentation
bin10010100101110100000110…
…10110001100100111110001
312100202020211010110112202110
421102322003112030213301
520324301211300414424
6222540443401435533
711416414460321520
oct1122720326144761
9170666733415673
1040881702357489
1112031918219264
12470319349bba9
1319a718826c566
14a149837164b7
154ad660b99c29
hex252e8358c9f1

40881702357489 has 64 divisors (see below), whose sum is σ = 65926673694720. Its totient is φ = 22012674048000.

The previous prime is 40881702357481. The next prime is 40881702357541. The reversal of 40881702357489 is 98475320718804.

It is not a de Polignac number, because 40881702357489 - 23 = 40881702357481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40881702357481) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 658490929 + ... + 658553009.

It is an arithmetic number, because the mean of its divisors is an integer number (1030104276480).

Almost surely, 240881702357489 is an apocalyptic number.

It is an amenable number.

40881702357489 is a deficient number, since it is larger than the sum of its proper divisors (25044971337231).

40881702357489 is a wasteful number, since it uses less digits than its factorization.

40881702357489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70942.

The product of its (nonzero) digits is 108380160, while the sum is 66.

The spelling of 40881702357489 in words is "forty trillion, eight hundred eighty-one billion, seven hundred two million, three hundred fifty-seven thousand, four hundred eighty-nine".

Divisors: 1 3 7 19 21 57 133 191 399 573 1337 3629 4011 8641 10887 25403 25923 60487 62081 76209 164179 181461 186243 434567 492537 1149253 1179539 1303701 1650431 3447759 3538617 4951293 8256773 11553017 11857471 24770319 31358189 34659051 35572413 83002297 94074567 219507323 225291949 249006891 536441921 658521969 675875847 1577043643 1609325763 3755093447 4731130929 10192396499 11265280341 30577189497 71346775493 102460406911 214040326479 307381220733 717222848377 1946747731309 2151668545131 5840243193927 13627234119163 40881702357489