Search a number
-
+
70235392832 = 2611217533509
BaseRepresentation
bin100000101101001011…
…0110000101101000000
320201021211021122010122
41001122112300231000
52122320230032312
652133220115412
75034332663063
oct1013226605500
9221254248118
1070235392832
1127872059200
1211741835b68
136814144457
143583dac8da
151c6110bb72
hex105a5b0b40

70235392832 has 84 divisors (see below), whose sum is σ = 162207313380. Its totient is φ = 30047170560.

The previous prime is 70235392831. The next prime is 70235392841. The reversal of 70235392832 is 23829353207.

It can be written as a sum of positive squares in 2 ways, for example, as 34870333696 + 35365059136 = 186736^2 + 188056^2 .

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70235392831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135107 + ... + 398402.

It is an arithmetic number, because the mean of its divisors is an integer number (1931039445).

Almost surely, 270235392832 is an apocalyptic number.

It is an amenable number.

70235392832 is an abundant number, since it is smaller than the sum of its proper divisors (91971920548).

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

70235392832 is a wasteful number, since it uses less digits than its factorization.

70235392832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533560 (or 533539 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 70235392832 in words is "seventy billion, two hundred thirty-five million, three hundred ninety-two thousand, eight hundred thirty-two".

Divisors: 1 2 4 8 11 16 17 22 32 34 44 64 68 88 121 136 176 187 242 272 352 374 484 544 704 748 968 1088 1496 1936 2057 2992 3872 4114 5984 7744 8228 11968 16456 32912 65824 131648 533509 1067018 2134036 4268072 5868599 8536144 9069653 11737198 17072288 18139306 23474396 34144576 36278612 46948792 64554589 72557224 93897584 99766183 129109178 145114448 187795168 199532366 258218356 290228896 375590336 399064732 516436712 580457792 798129464 1032873424 1097428013 1596258928 2065746848 2194856026 3192517856 4131493696 4389712052 6385035712 8779424104 17558848208 35117696416 70235392832