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1311460240152 = 233223245041151
BaseRepresentation
bin10011000101011001000…
…111110010101100011000
311122101002220210222021010
4103011121013302230120
5132441332310141102
62442250532213520
7163515131053266
oct23053107625430
94571086728233
101311460240152
11466207130247
1219220546a2a0
139689349572a
1447691621436
15241aa0c6d6c
hex131591f2b18

1311460240152 has 32 divisors (see below), whose sum is σ = 3293353082880. Its totient is φ = 435193082400.

The previous prime is 1311460240141. The next prime is 1311460240177. The reversal of 1311460240152 is 2510420641131.

It is a super-2 number, since 2×13114602401522 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122515224 + ... + 122525927.

It is an arithmetic number, because the mean of its divisors is an integer number (102917283840).

Almost surely, 21311460240152 is an apocalyptic number.

1311460240152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1311460240152 is an abundant number, since it is smaller than the sum of its proper divisors (1981892842728).

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

1311460240152 is a wasteful number, since it uses less digits than its factorization.

1311460240152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245041383 (or 245041379 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 1311460240152 its reverse (2510420641131), we get a palindrome (3821880881283).

The spelling of 1311460240152 in words is "one trillion, three hundred eleven billion, four hundred sixty million, two hundred forty thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 223 446 669 892 1338 1784 2676 5352 245041151 490082302 735123453 980164604 1470246906 1960329208 2940493812 5880987624 54644176673 109288353346 163932530019 218576706692 327865060038 437153413384 655730120076 1311460240152