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464918142423 = 371931331113557
BaseRepresentation
bin1101100001111110100…
…01111101110111010111
31122110000221111200211010
412300333101331313113
530104123021024143
6553325213143303
745406051002240
oct6607721756727
91573027450733
10464918142423
1116a197197679
127613018ab33
1334ac2c96377
1418705cc9cc7
15c160cd3a33
hex6c3f47ddd7

464918142423 has 64 divisors (see below), whose sum is σ = 772121722880. Its totient is φ = 242828150400.

The previous prime is 464918142401. The next prime is 464918142427. The reversal of 464918142423 is 324241819464.

It is not a de Polignac number, because 464918142423 - 212 = 464918138327 is a prime.

It is a super-2 number, since 2×4649181424232 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464918142427) 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, 4037361 + ... + 4150917.

It is an arithmetic number, because the mean of its divisors is an integer number (12064401920).

Almost surely, 2464918142423 is an apocalyptic number.

464918142423 is a deficient number, since it is larger than the sum of its proper divisors (307203580457).

464918142423 is a wasteful number, since it uses less digits than its factorization.

464918142423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113948.

The product of its digits is 1327104, while the sum is 48.

The spelling of 464918142423 in words is "four hundred sixty-four billion, nine hundred eighteen million, one hundred forty-two thousand, four hundred twenty-three".

Divisors: 1 3 7 19 21 31 57 93 133 217 331 399 589 651 993 1767 2317 4123 6289 6951 10261 12369 18867 30783 44023 71827 113557 132069 194959 215481 340671 584877 794899 1364713 2157583 2384697 3520267 4094139 6472749 10560801 15103081 24641869 37587367 45309243 66885073 73925607 112762101 200655219 263111569 468195511 714159973 789334707 1165208377 1404586533 2142479919 3495625131 4999119811 8156458639 14997359433 22138959163 24469375917 66416877489 154972714141 464918142423