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134631244240 = 2451988573187
BaseRepresentation
bin111110101100010100…
…1011100000111010000
3110212111200102211101021
41331120221130013100
54201211044303430
6141503154445224
712504200460103
oct1753051340720
9425450384337
10134631244240
1152107911509
1222113893814
13c90751123c
1467325ba73a
15377e72907a
hex1f58a5c1d0

134631244240 has 40 divisors (see below), whose sum is σ = 329492259360. Its totient is φ = 51018155136.

The previous prime is 134631244141. The next prime is 134631244243. The reversal of 134631244240 is 42442136431.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1346312442402 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 134631244196 and 134631244205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134631244243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44285074 + ... + 44288113.

It is an arithmetic number, because the mean of its divisors is an integer number (8237306484).

Almost surely, 2134631244240 is an apocalyptic number.

134631244240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134631244240 is an abundant number, since it is smaller than the sum of its proper divisors (194861015120).

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

134631244240 is a wasteful number, since it uses less digits than its factorization.

134631244240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88573219 (or 88573213 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 134631244240 in words is "one hundred thirty-four billion, six hundred thirty-one million, two hundred forty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 19 20 38 40 76 80 95 152 190 304 380 760 1520 88573187 177146374 354292748 442865935 708585496 885731870 1417170992 1682890553 1771463740 3365781106 3542927480 6731562212 7085854960 8414452765 13463124424 16828905530 26926248848 33657811060 67315622120 134631244240