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140388630852 = 223171936219977
BaseRepresentation
bin1000001010111111010…
…0001000000101000100
3111102100220222101001110
42002233310020011010
54300003442141402
6144254343325020
713066650446601
oct2025764100504
9442326871043
10140388630852
11545a17a4268
122325ba50770
1310314252792
146b1b0b36a8
1539b9ddb56c
hex20afd08144

140388630852 has 48 divisors (see below), whose sum is σ = 365097378240. Its totient is φ = 41725412352.

The previous prime is 140388630847. The next prime is 140388630901. The reversal of 140388630852 is 258036883041.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18106113 + ... + 18113864.

It is an arithmetic number, because the mean of its divisors is an integer number (7606195380).

Almost surely, 2140388630852 is an apocalyptic number.

140388630852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140388630852 is an abundant number, since it is smaller than the sum of its proper divisors (224708747388).

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

140388630852 is a wasteful number, since it uses less digits than its factorization.

140388630852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36220020 (or 36220018 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 48.

The spelling of 140388630852 in words is "one hundred forty billion, three hundred eighty-eight million, six hundred thirty thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 12 17 19 34 38 51 57 68 76 102 114 204 228 323 646 969 1292 1938 3876 36219977 72439954 108659931 144879908 217319862 434639724 615739609 688179563 1231479218 1376359126 1847218827 2064538689 2462958436 2752718252 3694437654 4129077378 7388875308 8258154756 11699052571 23398105142 35097157713 46796210284 70194315426 140388630852