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125230222440 = 233252315124423
BaseRepresentation
bin111010010100001001…
…1011000110001101000
3102222020111202102212200
41310220103120301220
54022432414104230
6133310250140200
712022215220221
oct1645023306150
9388214672780
10125230222440
1149123217704
122032b421660
13ba6995254b
1460bdc16248
1533ce236160
hex1d284d8c68

125230222440 has 96 divisors (see below), whose sum is σ = 424693825920. Its totient is φ = 31942779264.

The previous prime is 125230222423. The next prime is 125230222471. The reversal of 125230222440 is 44222032521.

It is a super-2 number, since 2×1252302224402 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7553932 + ... + 7570491.

It is an arithmetic number, because the mean of its divisors is an integer number (4423894020).

Almost surely, 2125230222440 is an apocalyptic number.

125230222440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125230222440 is an abundant number, since it is smaller than the sum of its proper divisors (299463603480).

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

125230222440 is a wasteful number, since it uses less digits than its factorization.

125230222440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15124463 (or 15124456 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 125230222440 its reverse (44222032521), we get a palindrome (169452254961).

The spelling of 125230222440 in words is "one hundred twenty-five billion, two hundred thirty million, two hundred twenty-two thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 23 24 30 36 40 45 46 60 69 72 90 92 115 120 138 180 184 207 230 276 345 360 414 460 552 690 828 920 1035 1380 1656 2070 2760 4140 8280 15124423 30248846 45373269 60497692 75622115 90746538 120995384 136119807 151244230 181493076 226866345 272239614 302488460 347861729 362986152 453732690 544479228 604976920 680599035 695723458 907465380 1043585187 1088958456 1361198070 1391446916 1739308645 1814930760 2087170374 2722396140 2782893832 3130755561 3478617290 4174340748 5217925935 5444792280 6261511122 6957234580 8348681496 10435851870 12523022244 13914469160 15653777805 20871703740 25046044488 31307555610 41743407480 62615111220 125230222440