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75005430375678 = 23116011960396461
BaseRepresentation
bin10001000011011110010000…
…000010001010010011111110
3100211120110010101221120012220
4101003132100002022103332
534312342110134010203
6423305004035510210
721540651325566225
oct2103362002122376
9324513111846186
1075005430375678
1121998696072270
1284b467aa58366
1332b0c9bb450ca
1414743d44ddcbc
158a10e3d32653
hex44379008a4fe

75005430375678 has 64 divisors (see below), whose sum is σ = 163930566369024. Its totient is φ = 22689707040000.

The previous prime is 75005430375677. The next prime is 75005430375703. The reversal of 75005430375678 is 87657303450057.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75005430375677) 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, 777524368 + ... + 777620828.

It is an arithmetic number, because the mean of its divisors is an integer number (2561415099516).

Almost surely, 275005430375678 is an apocalyptic number.

75005430375678 is an abundant number, since it is smaller than the sum of its proper divisors (88925135993346).

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

75005430375678 is a wasteful number, since it uses less digits than its factorization.

75005430375678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116681.

The product of its (nonzero) digits is 74088000, while the sum is 60.

The spelling of 75005430375678 in words is "seventy-five trillion, five billion, four hundred thirty million, three hundred seventy-five thousand, six hundred seventy-eight".

Divisors: 1 2 3 6 11 22 33 66 601 1202 1803 3606 6611 13222 19603 19833 39206 39666 58809 96461 117618 192922 215633 289383 431266 578766 646899 1061071 1293798 2122142 3183213 6366426 11781403 23562806 35344209 57973061 70688418 115946122 129595433 173919183 259190866 347838366 388786299 637703671 777572598 1275407342 1890924983 1913111013 3781849966 3826222026 5672774949 11345549898 20800174813 41600349626 62400524439 124801048878 1136445914783 2272891829566 3409337744349 6818675488698 12500905062613 25001810125226 37502715187839 75005430375678