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1018734936976 = 24172148432
BaseRepresentation
bin11101101001100010101…
…01011000001110010000
310121101112101111211111201
432310301111120032100
5113142332120440401
62100000025120544
7133413126042361
oct16646125301620
93541471454451
101018734936976
1136305234a389
12145530329154
13750b284b673
1437442703b68
151b7763e3b01
hexed31558390

1018734936976 has 45 divisors (see below), whose sum is σ = 2096875784881. Its totient is φ = 479372377856.

The previous prime is 1018734936943. The next prime is 1018734936977. The reversal of 1018734936976 is 6796394378101.

The square root of 1018734936976 is 1009324.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 793132736400 + 225602200576 = 890580^2 + 474976^2 .

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1018734936977) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 68626611 + ... + 68641453.

Almost surely, 21018734936976 is an apocalyptic number.

1018734936976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1018734936976 is the 1009324-th square number.

It is an amenable number.

1018734936976 is an abundant number, since it is smaller than the sum of its proper divisors (1078140847905).

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

1018734936976 is an frugal number, since it uses more digits than its factorization.

1018734936976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29728 (or 14862 counting only the distinct ones).

The product of its (nonzero) digits is 41150592, while the sum is 64.

Multiplying 1018734936976 by its sum of digits (64), we get a square (65199035966464 = 80745922).

The spelling of 1018734936976 in words is "one trillion, eighteen billion, seven hundred thirty-four million, nine hundred thirty-six thousand, nine hundred seventy-six".

Divisors: 1 2 4 8 16 17 34 68 136 272 289 578 1156 2312 4624 14843 29686 59372 118744 237488 252331 504662 1009324 2018648 4037296 4289627 8579254 17158508 34317016 68634032 220314649 440629298 881258596 1762517192 3525034384 3745349033 7490698066 14981396132 29962792264 59925584528 63670933561 127341867122 254683734244 509367468488 1018734936976