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152138457500 = 2254235725819
BaseRepresentation
bin1000110110110000101…
…0001010000110011100
3112112200210100102002012
42031230022022012130
54443034421120000
6153520315050352
713664063360141
oct2155412120634
9475623312065
10152138457500
11595812139a7
122559aa409b8
1311467613a23
1475137ac3c8
153e566e1735
hex236c28a19c

152138457500 has 60 divisors (see below), whose sum is σ = 332850422520. Its totient is φ = 60827208000.

The previous prime is 152138457473. The next prime is 152138457529. The reversal of 152138457500 is 5754831251.

It is a happy number.

It is a super-2 number, since 2×1521384575002 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5879591 + ... + 5905409.

It is an arithmetic number, because the mean of its divisors is an integer number (5547507042).

Almost surely, 2152138457500 is an apocalyptic number.

152138457500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 152138457500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166425211260).

152138457500 is an abundant number, since it is smaller than the sum of its proper divisors (180711965020).

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

152138457500 is a wasteful number, since it uses less digits than its factorization.

152138457500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28200 (or 28183 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 41.

The spelling of 152138457500 in words is "one hundred fifty-two billion, one hundred thirty-eight million, four hundred fifty-seven thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 625 1250 2357 2500 4714 9428 11785 23570 25819 47140 51638 58925 103276 117850 129095 235700 258190 294625 516380 589250 645475 1178500 1290950 1473125 2581900 2946250 3227375 5892500 6454750 12909500 16136875 32273750 60855383 64547500 121710766 243421532 304276915 608553830 1217107660 1521384575 3042769150 6085538300 7606922875 15213845750 30427691500 38034614375 76069228750 152138457500