Search a number
-
+
1081216711392 = 25331363312067
BaseRepresentation
bin11111011101111011000…
…10011011101011100000
310211100210211222211201220
433232331202123223200
5120203312434231032
62144412030255040
7141054362260116
oct17567542335340
93740724884656
101081216711392
113875a5712284
12155669357480
137ac5c4c640c
143a48ca21ab6
151d1d197212c
hexfbbd89bae0

1081216711392 has 48 divisors (see below), whose sum is σ = 2929748516352. Its totient is φ = 348779583360.

The previous prime is 1081216711343. The next prime is 1081216711403. The reversal of 1081216711392 is 2931176121801.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181653058 + ... + 181659009.

It is an arithmetic number, because the mean of its divisors is an integer number (61036427424).

Almost surely, 21081216711392 is an apocalyptic number.

1081216711392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1081216711392 is an abundant number, since it is smaller than the sum of its proper divisors (1848531804960).

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

1081216711392 is a wasteful number, since it uses less digits than its factorization.

1081216711392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363312111 (or 363312103 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 42.

The spelling of 1081216711392 in words is "one trillion, eighty-one billion, two hundred sixteen million, seven hundred eleven thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 31 32 48 62 93 96 124 186 248 372 496 744 992 1488 2976 363312067 726624134 1089936201 1453248268 2179872402 2906496536 4359744804 5812993072 8719489608 11262674077 11625986144 17438979216 22525348154 33788022231 34877958432 45050696308 67576044462 90101392616 135152088924 180202785232 270304177848 360405570464 540608355696 1081216711392