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730074212540 = 225157232507711
BaseRepresentation
bin10101001111110111101…
…00000110100010111100
32120210110010102200120122
422213323310012202330
543430142444300130
61315220320034112
7103513630262321
oct12477364064274
92523403380518
10730074212540
11261693950702
12b95b0462938
1353acc01708a
142749b54ab48
1513ece4902e5
hexa9fbd068bc

730074212540 has 24 divisors (see below), whose sum is σ = 1542921176832. Its totient is φ = 290169622080.

The previous prime is 730074212503. The next prime is 730074212597. The reversal of 730074212540 is 45212470037.

It is a self number, because there is not a number n which added to its sum of digits gives 730074212540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116250716 + ... + 116256995.

It is an arithmetic number, because the mean of its divisors is an integer number (64288382368).

Almost surely, 2730074212540 is an apocalyptic number.

It is an amenable number.

730074212540 is an abundant number, since it is smaller than the sum of its proper divisors (812846964292).

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

730074212540 is a wasteful number, since it uses less digits than its factorization.

730074212540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232507877 (or 232507875 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

Adding to 730074212540 its reverse (45212470037), we get a palindrome (775286682577).

The spelling of 730074212540 in words is "seven hundred thirty billion, seventy-four million, two hundred twelve thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 157 314 628 785 1570 3140 232507711 465015422 930030844 1162538555 2325077110 4650154220 36503710627 73007421254 146014842508 182518553135 365037106270 730074212540