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28717300001742 = 23112941365946683
BaseRepresentation
bin1101000011110010001000…
…11101110010101111001110
310202200100101000100110012020
412201321010131302233032
512231001012300023432
6141024313454351010
76022520315323422
oct641710435625716
9122610330313166
1028717300001742
119171a36213270
1232797317bb466
131304050536a41
14713cd3694b82
1534c009a8a22c
hex1a1e44772bce

28717300001742 has 64 divisors (see below), whose sum is σ = 66397366344960. Its totient is φ = 8197205676800.

The previous prime is 28717300001707. The next prime is 28717300001749. The reversal of 28717300001742 is 24710000371782.

It is a junction number, because it is equal to n+sod(n) for n = 28717300001694 and 28717300001703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28717300001749) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182894868 + ... + 183051815.

It is an arithmetic number, because the mean of its divisors is an integer number (1037458849140).

Almost surely, 228717300001742 is an apocalyptic number.

28717300001742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28717300001742 is an abundant number, since it is smaller than the sum of its proper divisors (37680066343218).

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

28717300001742 is a wasteful number, since it uses less digits than its factorization.

28717300001742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365946769.

The product of its (nonzero) digits is 131712, while the sum is 42.

The spelling of 28717300001742 in words is "twenty-eight trillion, seven hundred seventeen billion, three hundred million, one thousand, seven hundred forty-two".

Divisors: 1 2 3 6 11 22 29 33 41 58 66 82 87 123 174 246 319 451 638 902 957 1189 1353 1914 2378 2706 3567 7134 13079 26158 39237 78474 365946683 731893366 1097840049 2195680098 4025413513 8050827026 10612453807 12076240539 15003814003 21224907614 24152481078 30007628006 31837361421 45011442009 63674722842 90022884018 116736991877 165041954033 233473983754 330083908066 350210975631 435110606087 495125862099 700421951262 870221212174 990251724198 1305331818261 2610663636522 4786216666957 9572433333914 14358650000871 28717300001742