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103387012221105 = 32561733121165313
BaseRepresentation
bin10111100000011110101010…
…001000110100100010110001
3111120001200221122100122110200
4113200132222020310202301
5102022343100112033410
61003515200541145413
730530315354042634
oct2740365210644261
9446050848318420
10103387012221105
112aa40205117788
12b71911925b269
13458c479600cc2
141b75d5b003c1b
15be45005c13c0
hex5e07aa2348b1

103387012221105 has 96 divisors (see below), whose sum is σ = 184697299262112. Its totient is φ = 53475390259200.

The previous prime is 103387012221047. The next prime is 103387012221107. The reversal of 103387012221105 is 501122210783301.

103387012221105 is a `hidden beast` number, since 10 + 338 + 70 + 12 + 221 + 10 + 5 = 666.

It can be written as a sum of positive squares in 16 ways, for example, as 102909175981056 + 477836240049 = 10144416^2 + 691257^2 .

It is not a de Polignac number, because 103387012221105 - 240 = 102287500593329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103387012221105.

It is not an unprimeable number, because it can be changed into a prime (103387012221107) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 625318929 + ... + 625484241.

It is an arithmetic number, because the mean of its divisors is an integer number (1923930200647).

Almost surely, 2103387012221105 is an apocalyptic number.

103387012221105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103387012221105 is a deficient number, since it is larger than the sum of its proper divisors (81310287041007).

103387012221105 is a wasteful number, since it uses less digits than its factorization.

103387012221105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168579 (or 168576 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The spelling of 103387012221105 in words is "one hundred three trillion, three hundred eighty-seven billion, twelve million, two hundred twenty-one thousand, one hundred five".

Divisors: 1 3 5 9 15 45 61 73 183 219 305 365 549 657 915 1095 2745 3121 3285 4453 9363 13359 15605 22265 28089 40077 46815 66795 140445 165313 190381 200385 227833 495939 571143 683499 826565 951905 1139165 1487817 1713429 2050497 2479695 2855715 3417495 7439085 8567145 10084093 10252485 12067849 13897813 30252279 36203547 41693439 50420465 60339245 69489065 90756837 108610641 125080317 151261395 181017735 208467195 453784185 515941873 543053205 625401585 736138789 1547825619 2208416367 2579709365 3680693945 4643476857 6625249101 7739128095 11042081835 23217384285 31472454253 33126245505 37663756729 94417362759 112991270187 157362271265 188318783645 283252088277 338973810561 472086813795 564956350935 1416260441385 1694869052805 2297489160469 6892467481407 11487445802345 20677402444221 34462337407035 103387012221105