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3198070972644 = 223192337533071013
BaseRepresentation
bin101110100010011011111…
…000100110000011100100
3102022201210001202012212220
4232202123320212003210
5404344122132111034
610445101251512340
7450024115513452
oct56423370460344
912281701665786
103198070972644
111023326766099
124379835b86b0
131a27662c4172
14b0b04b159d2
15582c8674749
hex2e89be260e4

3198070972644 has 384 divisors, whose sum is σ = 8613215170560. Its totient is φ = 918254278656.

The previous prime is 3198070972643. The next prime is 3198070972673. The reversal of 3198070972644 is 4462790708913.

It is not an unprimeable number, because it can be changed into a prime (3198070972643) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3157029082 + ... + 3157030094.

It is an arithmetic number, because the mean of its divisors is an integer number (22430247840).

Almost surely, 23198070972644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3198070972644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4306607585280).

3198070972644 is an abundant number, since it is smaller than the sum of its proper divisors (5415144197916).

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

3198070972644 is a wasteful number, since it uses less digits than its factorization.

3198070972644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459 (or 1457 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 60.

It can be divided in two parts, 3198070 and 972644, that added together give a palindrome (4170714).

The spelling of 3198070972644 in words is "three trillion, one hundred ninety-eight billion, seventy million, nine hundred seventy-two thousand, six hundred forty-four".