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151230125440 = 275236297071
BaseRepresentation
bin1000110011011000000…
…1001001010110000000
3112110100111011100202001
42030312001021112000
54434204403003230
6153250230233344
713632423566542
oct2146601112600
9473314140661
10151230125440
1159155510649
12253867b5854
1311351390a34
147468cc3692
153e01abb0ca
hex2336049580

151230125440 has 32 divisors (see below), whose sum is σ = 361534520160. Its totient is φ = 60492049920.

The previous prime is 151230125411. The next prime is 151230125443. The reversal of 151230125440 is 44521032151.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 151230125399 and 151230125408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151230125443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118147896 + ... + 118149175.

It is an arithmetic number, because the mean of its divisors is an integer number (11297953755).

Almost surely, 2151230125440 is an apocalyptic number.

151230125440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151230125440 is an abundant number, since it is smaller than the sum of its proper divisors (210304394720).

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

151230125440 is an equidigital number, since it uses as much as digits as its factorization.

151230125440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236297090 (or 236297078 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 151230125440 its reverse (44521032151), we get a palindrome (195751157591).

The spelling of 151230125440 in words is "one hundred fifty-one billion, two hundred thirty million, one hundred twenty-five thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 236297071 472594142 945188284 1181485355 1890376568 2362970710 3780753136 4725941420 7561506272 9451882840 15123012544 18903765680 30246025088 37807531360 75615062720 151230125440