Search a number
-
+
26706511481952 = 253278192827937
BaseRepresentation
bin1100001001010000110000…
…01000010100110001100000
310111120010011201000000022010
412010220120020110301200
512000024413414410302
6132444445122112520
75424324152033031
oct604503010246140
9114503151000263
1026706511481952
118567193548925
122bb3a987ab740
1311b954ab21863
14684860064a88
15314a6e89416c
hex184a18214c60

26706511481952 has 24 divisors (see below), whose sum is σ = 70104592640376. Its totient is φ = 8902170493952.

The previous prime is 26706511481941. The next prime is 26706511481981. The reversal of 26706511481952 is 25918411560762.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×267065114819522 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26706511481892 and 26706511481901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139096413873 + ... + 139096414064.

It is an arithmetic number, because the mean of its divisors is an integer number (2921024693349).

Almost surely, 226706511481952 is an apocalyptic number.

It is an amenable number.

26706511481952 is an abundant number, since it is smaller than the sum of its proper divisors (43398081158424).

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

26706511481952 is a wasteful number, since it uses less digits than its factorization.

26706511481952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278192827950 (or 278192827942 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 57.

The spelling of 26706511481952 in words is "twenty-six trillion, seven hundred six billion, five hundred eleven million, four hundred eighty-one thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 278192827937 556385655874 834578483811 1112771311748 1669156967622 2225542623496 3338313935244 4451085246992 6676627870488 8902170493984 13353255740976 26706511481952